Additional Features Focused on Fuel Efficiency

The S-Class sees model additions and engine changes this time around. The key theme, as expected, is "environment."
First, the "S-Class HYBRID," a standard wheelbase version of the "S-Class HYBRID Long" that debuted in 2008 as the first hybrid model from an imported car manufacturer. Compared to the existing S-Class HYBRID Long, it adopts a standard wheelbase that is 13 cm shorter in overall length and has a turning radius approximately 20 cm smaller, making it a more manageable body size for the driver. Like the S-Class HYBRID Long, it utilizes a compact and lightweight lithium-ion battery, a first for mass-produced hybrid vehicles, resulting in a weight increase of only 75 kg compared to the base model and maintaining the same trunk capacity.

The compact electric motor, generating up to 160 Nm of torque, supports the gasoline engine as a "boost function" during starts and acceleration, reducing engine load. Conversely, during deceleration, it functions as a "regenerative brake," charging the battery by recovering kinetic energy. Furthermore, the ECO start-stop function, which stops the engine when the vehicle speed drops below 15 km/h, significantly contributes to reduced fuel consumption. As a result, the S-Class HYBRID's fuel economy (11.2 km/L in the 10-15 mode) is approximately 30 percent better than the S 350.

The battery's charge status and the motor's assist status are displayed in real-time on the multi-function display within the instrument panel as an energy flow display. The "S-Class HYBRID" has achieved "75% reduction level" certification under the "2005 Emissions Standards" by the Ministry of Land, Infrastructure, Transport and Tourism. Additionally, by meeting the "+25% Fuel Economy Standards for 2010" certification, it qualifies for eco-car tax reductions, with 100% exemption from automobile acquisition tax and weight tax.

Interior of the S 63 AMG featuring Dark Burr Walnut wood trim

5.5-Liter Engine with Approximately 50% Improvement in Environmental Performance

The other update is the new "S 63 AMG," a high-performance model. The new engine, developed by Mercedes-AMG, significantly downsizes the displacement from the previous 6.3 liters to 5.5 liters, an 800cc reduction. It employs cutting-edge technologies such as a spray-guided gasoline direct injection system with piezo injectors for precise fuel injection, multi-spark ignition capable of up to four sparks within 1 millisecond, and twin-turbochargers, achieving substantial performance and fuel economy improvements over the previous model.

5.5-liter V8 direct injection twin-turbo engine

With a maximum output of 400 kW (544 hp) and peak torque of 800 Nm, it achieves a performance increase of +14 kW (+19 hp) / +170 Nm compared to the previous 6.3-liter model, while also significantly enhancing environmental performance. The addition of the ECO start-stop function and the new AMG SPEEDSHIFT MCT transmission (electronically controlled 7-speed transmission) with a wet multi-plate clutch contributes to over a 50% improvement in fuel economy compared to the previous model, achieving CO2 emissions of 244 g/km. This positions it as a model with top-class environmental compatibility in its segment.

Further Performance Enhancement Through Expanded Equipment

Additionally, an "AMG Performance Package" is available as an exclusive option for the S 63 AMG Long, which modifies the interior and exterior to further enhance performance. Key changes include an increase in maximum output by +20 kW (+27 hp) / peak torque by +100 Nm, along with the AMG Driver's Package (speed limiter adjustment), AMG carbon fiber engine cover, AMG performance steering wheel, and 20-inch AMG 5-twin-spoke forged wheels painted in titanium grey.

Furthermore, a new "Driver Assistance Package" is offered as an optional equipment for the S-Class, excluding hybrid models. This package combines Active Lane Keeping Assist and DISTRONIC PLUS.

Active Lane Keeping Assist uses a camera mounted inside the windscreen to detect unintentional lane departures by the driver. It alerts the driver by vibrating the steering wheel and supports the vehicle in naturally returning to its lane by applying the brakes on the side of the departure. DISTRONIC PLUS uses millimetre-wave (77 GHz) radar, which is less affected by adverse weather conditions, to monitor the vehicle ahead and maintain a set distance. It can automatically accelerate to a pre-set speed and follow the vehicle in front. A new feature allows it to decelerate to 0 km/h in stop-and-go traffic or when the vehicle ahead stops. Additionally, it includes Brake Assist PLUS, which prompts the driver to brake forcefully with an audible and visual warning in cases of sudden stops or when approaching an obstacle, and ensures maximum braking force is applied when the brake pedal is pressed.

Mercedes-Benz S-Class HYBRID
Body: Length 5,100 x Width 1,870 x Height 1,485 mm
Wheelbase: 3,035 mm
Engine: 3.5-liter V6 DOHC engine
Max Output: 205 kW (279 hp) / 6,000 rpm
Max Torque: 350 Nm (35.7 kgm) / 5,500 rpm
Transmission: Electronically controlled 7-speed AT
Drivetrain: FR
Fuel Economy (10-15 mode): 11.2 km/L
Steering: Left
Price: 12.7 million yen

Mercedes-Benz S 63 AMG Long
Body: Length 5,100 x Width 1,870 x Height 1,485 mm
Wheelbase: 3,165 mm
Engine: 5.4-liter V8 DOHC engine + twin-turbocharger
Max Output: 400 kW (544 hp) / 5,250-5,750 rpm
Max Torque: 800 Nm (81.6 kgm) / 2,000-4,500 rpm
Transmission: Electronically controlled 7-speed AT
Drivetrain: FR
Fuel Economy (10-15 mode): 8.4 km/L
CO2 Emissions: 244 g/100km
Steering: Left and Right
Price: 22.92 million yen

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